Knife



FIG. 1 is a top, front, right side perspective of a knife;

FIG. 2 is a right side elevation view of the knife;

FIG. 3 is a left side elevation view of the knife;

FIG. 4 is a rear elevation view of the knife;

FIG. 5 is a front elevation view of the knife;

FIG. 6 is a top plan view of the knife; and,

FIG. 7 is a bottom plan view of the knife.

The broken lines that appear on the drawings form no part of the claimed design and are included for illustrative purposes only. 

CLAIM The ornamental design for a knife, as shown and described. 